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Magnesite
Magnesite

Star Sapphire
Star Sapphire



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Magnesite and Star Sapphire Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Effervesces in hot HCl
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.92-3.12
3.90-4.05
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
1.6 Cleavage
[10 1 1] perfect
Not Available
1.7 Mohs Hardness
3.5-4.5
Not Available
1.8 Chemical Composition
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2O 3Ulrich Henn and Claudio C.

Magnesite and Star Sapphire Chemical Formula

While comparing Magnesite and Star Sapphire physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Magnesite and Star Sapphire chemical formula.

  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Magnesite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.